Global Marine Group is a British-headquartered specialist provider of installation, maintenance and repairs of submarine communications cable for the telecommunications, oil & gas and deep sea research industries. To this end, they operate their own a fleet of vessels, ROVs and specialised subsea trenching and burial equipment. Formerly known as Cable & Wireless Marine and British Telecom Marine, it was purchased by Global Crossing in 1999, at which time it received the name it carries today. In 2004, Global Marine Systems was purchased by Bridgehouse Marine and was completely restructured. In September 2014, Global Marine was acquired by HC2, and in 2020 by . Historically, the company has a legacy of over 160 years of cable installation, stemming from the first telegraph cables laid in t